@font-color: #fff;
.title {
  display: flex;

  .welcome {
    display: inline-block;
    width: 140px;
    height: 40px;
    line-height: 40px;
    background-color: rgba(0, 0, 0, 0.4);
    font-size: 14px;
    border-radius: 20px;
    padding-left: 80px;
    color: @font-color;
    margin: 0 auto;
    position: relative;
    animation: shake;

    .greet {
      color: @font-color;
      position: absolute;
      font-size: 18px;
      font-weight: bolder;
      left: 14px;
      top: -1px;
      animation: sliding 0.5s;
    }
  }
}

@keyframes sliding {
  0% {
    top: -30px;
  }
  100% {
    top: -1px;
  }
}

@keyframes shake {

}


